Electrode



FIG. 1 is a perspective rear view of an electrode.

FIG. 2 is a rear view of FIG. 1.

FIG. 3 is a front view of FIG. 1.

FIG. 4 is a left side view of FIG. 1.

FIG. 5 is a right side view of FIG. 1.

FIG. 6 is a top view of FIG. 1; and,

FIG. 7 is a bottom view of FIG. 1.

The broken lines in each figure depict features of the electrode thatform no part of the claimed design.

CLAIM The ornamental design for an electrode, substantially as shown anddescribed.